Photodynamic therapy (PDT): spectrofluorimetry and wood lamp measurements of protoporphyrin IX accumulation in actinic keratosis and superficial basal cell carcinoma lesions after 5-aminolevulinic treatments - Tedesco, Antonio Claudio; Morais, P. C.; Lacava, Z. G. M.; Soares, S. K. P.; Kozak, R.; Carvalho, C. S. M.; Cristofidis, C. S. M.; Lemos, M. O. P. (World Congress of Dermatology, 2007)